Linux Knowledge Base
Flatpak Commands
If installing flatpak from scratch, it will be necessary to add a remote (repo).
List Remotes
flatpak remotes
Add a Remotes
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
Search for an Application
flatpak search gimp
Install an Application
It may be necessary to specify the remote (repo) and application ID:
flatpak install flathub org.gimp.GIMP
Since Flatpak 1.2, the install command can search for applications.
flatpak install gimp
Run an Application
Use the run command and the application ID.
flatpak run org.gimp.GIMP
Update all installed applications and runtimes
flatpak update
List installed applications and runtimes
flatpak list
Only list installed applications
flatpak list --app